What To Watch: Legacies And Grown-Ish Return, Young Sheldon Starts College, Jared Padalecki's Walker And More

Selena + Chef

Season 2 premiere (first three episodes): Selena gets a virtual assist from chefs Curtis Stone, JJ Johnson and José Andres.

Celebrity Wheel of Fortune

It's Holey Moley Week, as Rob Riggle, Joe Tessitore and Jeannie Mai step up to spin the wheel.

Walker

Series premiere: Supernatural's Jared Padalecki plays a widowed father of two who returns home to Austin, Texas, following a lengthy undercover op; Lindsey Morgan (The 100), Keegan Allen (Pretty Little Liars), Mitch Pileggi (The X-Files) and Coby Bell (Burn Notice) co-star. (Read preview.)

Young Sheldon

Sheldon's college orientation doesn't go according to plan; George Sr. helps Pastor Jeff set up a children's nursery.

grown-ish

Season 3B premiere: Zoey must balance the demands of her work life and her personal life while on tour with Joey BADA$$.

B Positive

Gina has to keep herself positive in order to pass a psych evaluation -- all while processing the news of an ex's engagement.

Call Me Kat

Kat attends therapy with her mother; Phil and Randi embark on a road trip to buy Phil's mother medicinal marijuana.

Law & Order: SVU

Carisi goes up against a powerful judge after a college student's rape case gets thrown out; Wentworth Miller reprises his role as ADA Isaiah Holmes.

Legacies

Season 3 premiere: The students encounter a medieval monster when Alaric sends them on their first-ever field day. (Watch trailer.)

Mom

Jill goes to extremes to get her relationship with Andy back on track.

The Unicorn

Wade decides it's time to introduce Shannon to his friends; Forrest overindulges in edibles.

♦ ON THIS DAY IN TV HISTORY ♦
On Jan. 21, 1991, CBS correspondent Bob Simon and his three-man crew were captured by Iraqi soldiers during the Persian Gulf War, and held in a prison for 40 days.